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Difference between Northbridge and Southbridge
2022-09-21 02:17:11

Difference between Northbridge and Southbridge

The main difference between Northbridge and Southbridge is that Northbridge is a motherboard chipset chip that connects directly to the CPU, whereas Southbridge is a motherboard chipset that does not.

Computers in the modern day are electronic machines with a variety of functions. There are numerous components that make up computers. The functions of the other parts are managed by the CPU or processor. A motherboard is a printed circuit board (PCB) that makes it easier for various system components to connect to one another.A chipset is a component of a motherboard. There are two chips in that chipset, the northbridge and southbridge. The northbridge is connected to components with high speed, whereas the southbridge is connected to components with lower speed.

Chipset

A motherboard is a PCB that links all the computer's parts together. All the chips in earlier computers were dispersed across the motherboard. The number of chips is decreased and concentrated in specific areas in current computers. As a result, several chips are joined to create a single chip. A chipset is a chip that can replace a lot of other chips. A chipset is located on the motherboard. The communication between various parts, including the CPU, peripherals, and buses, is handled by the chip set. Two chips make up the northbridge and southbridge of the chipset.

Northbridge

The motherboard's northernmost region is where the Northbridge is situated. The host bridge is another name for it. It has direct access to the PCI Express, AGP, RAM, and CPU. The northbridge is used for communication if the CPU needs to interact with AGP or PCI express slots, for example. As it is connected to high-speed components in the computer, northbridge often runs at a quicker speed.

Southbridge

The motherboard's southernmost region is where the Southbridge is situated. It links several parts together, including USB ports, SATA and IDE connectors, BIOS slots, and PCI bus slots.

The CPU and the southern area of the motherboard are not directly connected.Information must pass through the southbridge, northbridge, and CPU for devices like PCI, USB, and others to communicate with the CPU.

Due to its indirect connection to the CPU, the southbridge can typically be identified from the northbridge. Instead, the southbridge is connected to the CPU by the northbridge. The northbridge can connect signals from the I/O modules to the CPU for data control and access by using controller integrated channel circuitry.

Northbridge vs. Southbridge

Definition

A northbridge is a component of the core logic chipset design found on the PC motherboard's northern half. The main distinction between northbridge and southbridge is this.

Location

Northbridge and Southbridge are positioned in the northern and southern halves of the motherboard, respectively, as their names suggest.

CPU connection

The connection to the CPU is where northbridge and southbridge diverge most.

Component Connections

The southbridge, AGP, RAM, CPU, and PCI Express connections are all connected to the northbridge.The southbridge, on the other hand, is connected to the northbridge, BIOS, SATA and IDE connectors, USB ports, and PCI bus slots.

Running Speed

Additionally, northbridge runs more quickly than southbridge.

Key Differences between Northbridge and Southbridge

North Bridge

  • The north bridge is situated on the motherboard.
  • The CPU is directly attached to the north bridge.
  • It controls communication between the CPU and other motherboard components.
  • For convenience, the North Bridge is positioned close to the processor.
  • North bridge communicates more quickly.
  • Memory Controller Hub and host bridge are two further names for North bridge
  • The centre of memory control is the North bridge.
  • Buses that operate more quickly, such the AGP bus, are connected by the North Bridge.
  • North Bridge seems to be larger.
  • The North Bridge connects RAM and AGP.

Southbridge

  • South bridge is situated south of the motherboard's PCI bus.
  • The CPU is connected to South bridge through North bridge.
  • It controls input and output operations.
  • PCI is located next to the South bridge.
  • slower communication on the south bridge.
  • South bridge is sometimes referred to as the IO Controller Hub.
  • A hub for input and output operations is the South bridge.
  • The slower-moving buses, such as ISA, are connected by the South Bridge.
  • South Bridge appears to be smaller.
  • USB and PCI components are connected through the south bridge.